2011 F-150 LARIAT: HVAC Blower stopped working, replaced blower motor and blower resistor, now blower is stuck on HIGH.
Any ideas on what should be looked at next?

HVAC have auto climate controls.

 

DOA resistor?

 

just because they're new parts doesnt mean theyre good parts. Probably need to get in there and check voltage etc.

 

What did you use for the "blower resistor"?

 

HVAC Blower Motor Control Module Resistor YH-1829 BL3Z-19E624-A Compatible with Ford F150 2009-2014 Ford Expedition 2009-2017 Lincoln Navigator 2009-2017 with AUTO A/C Controls

 

Did you try reusing your old resistor with the new motor?

 

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No, will do that tomorrow.

 

Ford parts only.

 

If it doesn't work, get a Motorcraft resistor from the local dealer's parts department or order one from RockAuto. Stick with the Motorcraft resistor.

 

What you replaced was the blower speed control module. It's not a resistor despite the improper usage of that term.

That module is a Chinese knockoff of the Motorcraft part. The knockoffs have a pretty poor record of working correctly. Get the real thing.